body {
    font-family: 'Inter', sans-serif;
}
.gradient-bg {
    background: linear-gradient(135deg, #4c1d95, #1e3a8a);
}
.card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.goal-item.completed span {
    text-decoration: line-through;
    color: #9ca3af;
}
.day-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out;
}
.day-item.active .day-details {
    max-height: 500px; /* Adjust as needed */
}